The onset of claustrophobia has been attributed 
to many factors, including a reduction in the size of the amygdala, classical 
conditioning, or a genetic predisposition to fear small spaces.

Clements Stone who was a self-made multimillionaire teaching a 
course called the Achievement Motivation Program-how do you motivate people 
to achieve more. Siobhan Dowd weaves the story of sacrifice of a young Irish man in 1981 and a young woman who 
lived during the Iron Age.